res/values: Catch up with mainline on translation values

  <plurals name="n_folders">

    <item quantity="other"><xliff:g id="folders">%1$d</xliff:g> thư mục</item>

  </plurals>

  <plurals name="n_files">

    <item quantity="other"><xliff:g id="files">%1$d</xliff:g> tập tin</item>

  </plurals>

  <plurals name="search_found_items">

    <item quantity="other">Đã tìm thấy <xliff:g id="count">%d</xliff:g> mục</item>

  </plurals>

  <plurals name="selection_folders">

    <item quantity="other"><xliff:g id="folders">%1$d</xliff:g> thư mục đã được chọn.</item>

  </plurals>

  <plurals name="selection_files">

    <item quantity="other"><xliff:g id="files">%1$d</xliff:g> tập tin đã được chọn.</item>

  </plurals>

  <plurals name="deleting_n_items">

    <item quantity="other"><xliff:g id="count">%1$d</xliff:g> mục sắp bị xoá.</item>

  </plurals>

</resources>